Add 15/45 and 54/28
1st number: 15/45, 2nd number: 1 26/28
15/45 + 54/28 is 95/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
15/45 = 15 × 28/45 × 28 = 420/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
54/28 = 54 × 45/28 × 45 = 2430/1260 - Add the two like fractions:
420/1260 + 2430/1260 = 420 + 2430/1260 = 2850/1260 - 2850/1260 simplified gives 95/42
- So, 15/45 + 54/28 = 95/42
In mixed form: 211/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/45+54/28 15/90+54/28 15/45+54/56 15/45+54/84 75/45+54/28